Karel IP310P is an IP phone that offers advanced functionality and easy user interface to facilitate communication and maximize efficiency. Karel IP310P IP phone, which has a very large 132x64 pixel graphic LCD that guarantees easier access to much more visual information at a glance, offers a perfect voice communication solution thanks to its built-in PoE and HD voice quality.

• 2.3" 132 x 64-pixel graphic LCD display
• PoE Support
• HD Voice: HD speaker, HD handset
• 1 VoIP account
• Local 5-way conferencing

Audio Features

• HD Voice: HD Speaker, HD Handset
• Intelligent Noise Filtering
• Codec: G.711(A/μ), G.723.1, G.729AB, G.726, iLBC
• Wideband codec: G.722, Opus
• DTMF: In-Band, Out of band (RFC2833), SIP Info
• Full-duplex Handsfree Speaker with AEC
• VAD, CNG, AEC, PLC, AJB, AGC

Phone Features

• 1 VoIP Account
• Call Waiting, Mute, Do Not Disturb
• One-Touch Speed Dial, Hotline, Redial
• Call Forwarding, Call On Hold, Call Transfer
• Group Listening, SMS, Emergency Call
• Auto Answer, Call Back
• 5-Way Conference
• Direct IP Call Without SIP Proxy
• Ringtone Selection/Install/Delete
• Manually and Automatically Setting the Date and Time
• Dial Plan
• XML Browser
• Action URL/URI
• RTCP-XR (RFC3611), VQ-RTCPX
• Enhanced DSS Key

Directory

• Local Phonebook (1000 Entries)
• Black list
• XML/LDAP Remote Directory
• Smart Search Method
• Contacts Search/Load/Export
• Call History: Dialed / Incoming / Missed / Forwarded

IP PBX Integration

• Unknown Call, Unknown Call Rejection
• Common Desk (Hot-Desking), Voicemail
• Flexible Session, Manager and Assistant
• Call Parking, Call Capture
• Central Call Recording
• Visual Voicemail
• Call Recording

Display and Display

• 2.3" 132x 64-Pixel Graphic LCD Display
• Call and Message Waiting Led
• Icon and Softkey User Interface
• Multilingual User Interface
• Show Caller Name and Number
• Power Saving

Feature Keys

• 6 Feature Keys: Transfer, Message, Headset, Mute, Redial, Speaker
• 5 Navigation Keys
• Volume Control Keys

Interface

• 2xRJ45 10/100M Ethernet Ports
• POE (Power over Ethernet (IEEE 802.3af)), class 2
• 1xRJ9 (4P4C) Handset Port
• 1xRJ9 (4P4C) Headphone Port

Management

• Configuration: Web Interface/ Phone/Auto Update
• Automatic Update Via FTP / TFTP / HTTP / HTTPS
• Automatic Update with PnP
• Zero-Sp-Touch, TR-069
• Phone Lock For Personal Privacy
• Factory Reset, Reboot
• Export Trace Packages and System Log

Network and Security

• SIP V1 (RFC2543), V2 (RFC3261)
• Call Server Redundancy Support
• NAT Traversal: STUN Mode
• Proxy and Point-to-Point SIP Connection
• IP Assignment: Static / DHCP
• HTTP / HTTPS Web Server
• Date and Time Synchronization with SNTP
• UDP/TCP/DNS-SRV (RFC 3263)
• Qos: 802.1p/Q Tagging (VLAN), Layer 3 Tos DSCP
• SRTP for Audio
• Transport Layer Security (TLS)
• HTTPS Certificate Management
• Secure Configuration File with AES Encryption
• Custom Authentication
• OpenVPN, IEEE802.1X
• IPv6
• LLDP/CDP/DHCP VLAN
• ICE

Other Physical Properties

• Wall Mountable
• External Universal AC Adapter (optional): AC 100~240V Input and DC 5V/600ma Output
• Power Consumption (PSU): 2-3W
• Power Consumption (PoE): 3-4W
• Size: 185mm*189mm*162mm*50mm
• Operating Humidity: 10~95%
• Storage Temperature: -10~50°C